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Data centers get a federal yardstick for power use

NIST would write common measurement rules, and the bill also orders a study on what utilities know about future demand. That could help grid planners track one of the fastest-growing loads more clearly.

Data centers are becoming one of the electricity system’s fastest-growing loads, and a House bill would try to make that growth easier to see. In Washington, the proposal would direct the National Institute of Standards and Technology, or NIST, to develop best practices for measuring data-center energy use.

It would also order a study of data availability to improve energy demand forecasting capabilities. In plain terms, that means the government would look at whether utilities and planners have the information they need to predict how much power the grid will have to serve as more large computing facilities come online.

The measurement gap

The bill is not a cap, a ban or a new permitting hurdle. It is a measurement play. If different facilities are tracked in different ways, the grid gets a blurry picture of a load that can be large, constant and hard to compare from one site to the next.

Better standards would give utilities and grid planners a more consistent way to judge how much electricity these facilities actually consume, and the bill also orders a study of data availability to improve energy-demand forecasting capabilities. That matters because better measurement and forecasting can shape how utilities plan generation and transmission, which can ripple into reliability and customer costs when the data behind a fast-growing load is inconsistent.

Planning for a heavier load

Utilities plan generation and transmission far ahead of when the wires are built. If demand forecasts miss, the result can be either too little infrastructure or too much, and both mistakes can show up in reliability and customer costs. That is the problem the bill is aimed at, after being introduced in the House on June 18, 2026.

The listed sponsors are Representative Suhas Subramanyam, Representative Jay Obernolte and Representative Valerie Foushee. Their bill does not settle how much power data centers should use. It tries to make the system measuring that use a little less guesswork and a little more like planning.

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